[Python-Dev] Re: Could getpass use streams other than stdin? (original) (raw)

Fredrik Lundh fredrik at pythonware.com
Fri Aug 13 08:29:58 CEST 2004

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Mike Brown wrote:

In my use case, I need to send the results of a command-line script to stdout after the user authenticates, and the user may be redirecting stdout, so I don't want the password prompt to pollute the output. If I could have the "Password: " show up in stderr, that would be ideal.

you can redirect sys.stdin/sys.stdout before you call getpass:

try:
    old_stdout = sys.stdout
    sys.stdout = sys.stderr
    password = getpass.getpass(prompt)
finally:
    sys.stdout = old_stdout

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